9 Historical Facts That Will Blow Your Mind

History is a very broad subject. Most of the time, it has to be broken up into several different classifications to make it more manageable. These are 9 strange historical facts that will probably blow your mind.

#1. Scientists discovered pyramids hiding deep underwater

Using sonar technology, scientists discovered two pyramids 6,000 feet underwater. They are made of glass and presumed to be larger than the Great Pyramid of Giza in Egypt. Source